Measurement of Residual and Applied Stress Using Neutron Diffraction

Workshop Papers.- 1. Overview.- ‘Neutron Diffraction Measurement of Residual Stress Fields: Overview and Points for Discussion’.- 2. Background.- ‘Role of Neutron Diffraction in Engineering Stress Analysis’.- ‘Applications of X-ray Residual Stress Measurements in Industrial R&D’.- ‘The Theory of Stress/Strain Analysis with Diffraction’.- ‘The Calculation of Residual Stress’.- ‘Comparison Between Finite Element Calculations and Neutron Diffraction Measurements of Residual Stress in a Diametrically Compressed Ring’.- 3. Aspects of Fundamental Principles.- ‘Macrostresses, Microstresses and Stress Tensors’.- ‘Separation of Microstresses and Macrostresses’.- ‘The Effects of Crystalline Anisotropy on the Elastic Response of Materials’.- ‘Investigation of Large Grained Samples - Principles’.- ‘The Plastic Regime, Including Anisotropy Effects’.- ‘Grain Interaction Stresses’.- ‘Relaxation’.- ‘Interpretation of Residual Stress Measurements: Summary of Discussion Session’.- 4. Aspects of Experimental Measurement.- ‘Spatial Resolution and Strain Scanning’.- ‘Strain Tensor Measurements by Neutron Diffraction’.- ‘Investigations of Large Grained Samples - Examples’.- ‘The Stress-free Reference Sample: Alloy Composition Information from Neutron Capture’.- ‘The Precision of Peak Position Determination in Diffraction Measurements of Stress’.- ‘Errors in Analysis’.- 5. Instrumentation.- 5a Instrumentation: Steady State Reactor.- ‘Optimised Geometry for a Stress Measurement Two-axis Diffractometer at a Reactor’.- ‘Implementation and Application of a Psd Set-Up for Neutron Diffraction Strain Measurements’.- ‘Reverse Time-of-Flight Fourier Technique for Strain Measurements’.- ‘The Alignment ofInstrumentation and the Positioning of Specimens for Stress Measurements by Means of Neutron Diffraction’+.- ‘Proposal for a Neutron Strain Measurement Apparatus’+.- ‘Microbeam Techniques in Diffraction: A Theoretical Treatment’.- ‘Summary of the Panel Discussion on Instrumentation at Steady State Sources’.- 5b Instrumentation; Pulsed Neutron Source.- ‘Residual and Applied Stress Measurements at Ipns’.- ‘Residual Stress Measurement Using the Pulsed Neutron Source at Lansce’.- ‘Stress Measurement: Experience at Isis’.- ‘Transmission Bragg-Edge Measurements’.- ‘Macs, The Manipulation and Collimation System on the NPD at Lansce’+.- ‘The Design of a Pulsed Source Instrument: Summary of Discussion Session’.- 6. Composites.- ‘Stress Measurements in Composites Using Neutron Diffraction’.- ‘Theory and Modelling of Composites’.- ‘Application of Neutron Diffraction Time-of-Flight Measurements to the Study of Strain in Composites’.- ‘Deformation Analysis in Mixed Composites’.- ‘Surface and Near-surface Analysis of Residual Stresses in Aluminium and Titanium Alloys - Examples of the Case for X-ray Diffraction’.- ‘Residual Stresses in Brazed Ceramic-metal Compounds’.- 7. Measurements on Bulk Components.- ‘Residual Stress Distribution in Cracked Autofrettaged Tubing’.- ‘Measurement of Stresses in Metal Adhesive Joints’.- ‘Residual Stress Measurements in Armament-related Components’.- ‘Problems with Railway Rails’+.- ‘Neutron Measurements of Residual Strain in Some Technological Materials and Components’+.- ‘Development of the Neutron Diffraction Technique for the Determination of Near Surface Residual Stresses in Critical Gas Turbine Components’+.- ‘Residual Stresses at Cold Expanded FastenerHoles’+.- ‘Neutron and X-ray Diffraction Residual Stress Measurements on Power Generator Turbine Blades: Comparison with Finite Element Analysis’.- 8. Comparison of Neutrons with X-Rays and Other Stress Probes.- ‘Calibration of Portable NDE Techniques for Residual Stress Measurement’.- ‘Triaxial Analysis of Residual Stress Fields in Metallic Plates’+.- ‘Pitfalls of Layer Removal Techniques in X-ray Residual Stress Measurements’.- ‘Neutrons Versus X-rays’.